brittlestar vs undulate ray

Amphiura filiformis compared with Raja undulata

Key Differences

• brittlestar is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	brittlestar	undulate ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Elasmobranchii
Order	Amphilepidida (Amphilepidida)	Rajiformes (Rajiformes)
Family	Amphiuridae	Rajidae
Genus	Amphiura	Raja
Species	Amphiura filiformis	Raja undulata

Evolutionary Relationship

brittlestar and undulate ray share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	brittlestar	undulate ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.